How do I choose between spring, rubber and pneumatic vibration isolators?

Start with the disturbing frequency of your equipment. Isolation only begins when the disturbing frequency is more than 1.41 times the isolator's natural frequency, and a ratio of 3 or higher is recommended. Rubber mounts suit higher-speed, lighter equipment; spring isolators with a natural frequency of 3–5 Hz suit chillers, pumps, fans and generators; pneumatic air mounts reaching 1.7 Hz suit precision instruments and semiconductor tools.

What information is needed to size a vibration isolator?

Provide the equipment operating weight, center of gravity position, number and layout of support points, operating speed (RPM) or excitation frequency, installation type (floor-mounted or suspended), environment (indoor, outdoor, corrosive) and any seismic or wind restraint requirements. Bellking engineers return a vibration isolation plan within 24 hours.

How long do Bellking vibration isolators last?

Under normal operating conditions, Bellking spring and transformer isolators perform efficiently for more than 15 years, and pneumatic air-mount isolators for more than 6 years. Steel parts use a Dacromet coating that passes 900-hour salt spray testing.

Can Bellking manufacture custom, non-standard vibration isolators?

Yes. Bellking offers 1:1 customization based on actual equipment parameters, with customized solutions available in as little as 3 working days through a defined process: requirement communication, confirmation, solution design, solution approval and production.

What lead time, warranty and documentation do you provide?

Standard models can ship within 24 hours. All products come with a 1-year free warranty, installation manuals and technical guidance. Factory inspection reports and third-party test reports are available, and production is ISO 9001 certified.

Low Price HR Type Rubber Hangers Factory, Factories

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Low Price HR Type Rubber Hangers Factory, Factories

HR Hanger Rubber Isolators feature high-damping rubber, stable suspension structure, and excellent vibration & noise reduction. Widely used for HVAC, fans, ducts and piping, ensuring quiet, reliable and long-lasting operation.

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Product Description

The hanging rubber isolator adopts high-elasticity rubber material with excellent damping performance. It features compact structure, strong load capacity and outstanding vibration & noise reduction effect. With premium aging and corrosion resistance, it ensures stable long-term operation. Simple to mount, it is widely used for suspended fans, air ducts, ventilation systems and piping equipment. It efficiently blocks vibration transmission, avoids structural resonance and protects building and mechanical facilities.

High-Elasticity Material

Adopts high-elasticity rubber material delivering superior damping characteristics to efficiently isolate equipment vibration.

Strong Load Capacity

Engineered with a compact structure capable of supporting substantial hanging loads while preserving structural integrity.

Noise & Vibration Reduction

Offers outstanding vibration attenuation and structure-borne noise reduction, preventing resonance in supporting structures.

Durable & Anti-Corrosive

Features premium aging and corrosion resistance, ensuring stable, reliable, and long-term operation under varying conditions.

Simple Installation

Designed for effortless mounting and suspension, minimizing installation time for piping and mechanical systems.

Versatile Application

Widely utilized for suspended fans, air ducts, ventilation systems, and piping equipment across commercial and industrial facilities.

Frequently Asked Questions

What are the primary applications of a hanging rubber isolator?

Hanging rubber isolators are engineered primarily for suspended equipment, including exhaust fans, HVAC air ducts, ventilation units, and industrial piping networks requiring mechanical isolation.

How does this isolator protect building structures?

By placing an elastic damping medium between the suspended unit and the building ceiling, it blocks vibration transmission and stops mechanical oscillation from creating structural resonance throughout the building.

Can these rubber isolators withstand challenging environmental conditions?

Yes, they are manufactured with specialized compounds that offer high resistance to atmospheric aging and chemical corrosion, maintaining their elastic damping properties over extended lifespans.

Is the installation process complex?

No. The compact design allows quick and direct inline connection between hanging threaded rods and equipment brackets, requiring minimal setup time and effort.

Why choose rubber isolators for suspended equipment?

High-elasticity rubber provides comprehensive dampening across high and mid-frequency acoustic vibrations, effectively eliminating hums and physical tremors that typical rigid mountings convey.